fibonacci_numbers := [
    0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377
]

fn fib(n: int) -> int {
    if n < 2 {
        return n
    }

    return fib(n-1) + fib(n-2)
}

n := 0
while n < fibonacci_numbers.length() {
    print("-")
    n = n + 1
}

# return to start of line (with carriage return \r)
print(char(0x0D))

x := 0
while x < fibonacci_numbers.length() {
    n := fib(x)

    assertEq(n, fibonacci_numbers.at(x))
    print("*")
    x = x + 1
}

println("")